Color Erasure Detectors Enable Chromatic Interferometry

Luo Yuan Qu, Jordan Cotler, Fei Ma, Jian Yu Guan, Ming Yang Zheng, Xiuping Xie, Yu Ao Chen, Qiang Zhang, Frank Wilczek, Jian Wei Pan

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

By engineering and manipulating quantum entanglement between incoming photons and experimental apparatus, we construct single-photon detectors which cannot distinguish between photons of very different wavelengths. These color-erasure detectors enable a new kind of intensity interferometry, with potential applications in microscopy and astronomy. We demonstrate chromatic interferometry experimentally, observing robust interference using both coherent and incoherent photon sources.

Original languageEnglish (US)
Article number243601
JournalPhysical Review Letters
Volume123
Issue number24
DOIs
StatePublished - Dec 9 2019

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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